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312341 (2008 CA211)
Classification: Main-belt Asteroid          SPK-ID: 2312341
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07146964701047344 5.8007e-08  
a 2.781574733924601 3.0944e-08 au
q 2.582776569557758 1.5814e-07 au
i 3.473486084006496 6.5668e-06 deg
node 308.5641749054396 7.6703e-05 deg
peri 22.67202249742502 8.5509e-05 deg
M 349.164007765931 3.5215e-05 deg
tp 2458651.503585833166
(2019-Jun-17.00358583)
0.00016568 TDB
period 1694.472504530842
4.64
2.8276e-05
7.742e-08
d
yr
n .212455498119561 3.5452e-09 deg/d
Q 2.980372898291443 3.3155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      7943 days (21.75 yr)  
   first obs. used      1998-01-02  
   last obs. used      2019-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53594  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:10:28  

Additional Information
 Earth MOID = 1.57127 au 
 Jupiter MOID = 2.27209 au 
 T_jup = 3.327 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO455302  
diameter diameter 2.539 km 0.413 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

312341 (2008 CA211)          Discovered 2008-Feb-02 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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